#include<bits/stdc++.h>

using namespace std;

int main() {
//	int a[3][4]= {{1,2,3,4},{5,6,7,8},{9,10,11,12}};
    int a[3][4] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
//	int b[3][4]= {{1,2},{5},{9,10,11}};
    int b[3][4] = {1, 2, 5, 9, 10, 11};
    int c[][4] = {1, 2, 3, 4, 5,};
    return 0;
}
